Detergent cartridge for waste pipes



July 20, 1937. w. J. CHESNUT DETERGENT CARTRIDGE FOR WASTE PIPES Filed Nov. 25. 1935 ATTORNEY Patented July 20, 1937 UNITED STATES PATENT OFFICE William J. Chesnut, Montclair, N. J. Application November 25, 1935, Serial No. 51,360

2 Claims.

This invention pertains to'detergents; and more particularly to a detergent in cartridge form adapted to be inserted into waste pipes for eliminating and preventing the collection of greasy matter and other waste particles which would tend to clog up the pipe.

Heretofore, clogged waste pipes have been cleaned by means of a suction device, or by pouring a soda and lime mixture into the pipe to dissolve the accumulated waste matter. This cleaning procedure is performed, as a rule, only when the pipe has become clogged to such an extent as to be a source of annoyance. When the pipe has reached such a state obviously the cleaning operation is more difiicult than if the pipe were cleaned while waste matter is passed therethrough.

It is an object of this invention to provide a plug of detergent material which can be inserted in a waste pipe to prevent accumulation of greases and other waste matters.

A further object is the provision of a detergent plug for insertion in waste pipes, which plug is formed in such a manner as to offer substantially no impedance to the flow of water through the pipe.

A further object of the invention is to provide a plug of detergent material so constructed that it may be readily inserted within and supported by the ordinary waste pipe strainer.

A further object of the invention is to make such a plug of soluble material, provided with longitudinal apertures so that waste matter, before passing into the, waste pipe, mustfilter through the plug apertures, whereby the soluble detergent will be carried with the waste matter into the waste pipe, automatically and constantly cleaning the waste pipe during the passage of waste matter therethrough.

These and other advantageous objects, which will later appear are accomplished by the simple and practical construction and arrangement of parts hereinafter described and exhibited in the accompanying drawing, forming part hereof, and in which:

- Fig. 1 is an exploded view showing the manner in which the detergent plug embodying the invention is inserted into the strainer head,

Fig. 2 is a vertical sectional view of the plug inserted, the plug being shown in elevation,

Fig. 3 is a top plan view, partly in section, of the structure shown in Fig. 2,

Fig. 4 is a top plan view of the plug, Fig. 5 is a bottom plan view thereof, and

Fig. 6 is a side elevational view, partly in section, of another form of the invention.

Referring to the drawing, in Fig. 1 there is shown a waste pipe I having connected thereto a strainer head 2 in the usual manner to form a 5 chamber which is covered by a perforated disc 3, as is common and well known in the plumbing art. The strainer head 2 has its lower portion provided with strips 4 which provide four quadrant shaped apertures forming a strainer through 10 which waste matter passes.

In Fig. 2 there is shown a plug 5 of detergent material such as soda and lime, or other chemical compounds which are capable of dissolving greasy matters. The plug 5 is substantially cy- 15 lindrical in shape and has a head 6 having a plurality of passages 1 through which the waste matter passes. The main body of the plug 5 is divided longitudinally into four parts 8, each of which is substantially quadrant-shaped in cross 20 section and adapted to pass through the apertures between the strips 4 in the strainer connected with the waste pipe I. The parts 8 have passages 9 extending therethrough to further facilitate the passage of liquid waste material. 25 In other words, the plug is provided with as many apertures, or grooves, as possible so that the plug itself will not impede the passage of waste matter through the pipe I.

From the above description it will be seen that 30 a simple detergent device has been disclosed which can be readily inserted into a waste pipe to continually provide means for preventing the accumulation of greasy matter or other waste products which tend to clog the waste pipe. 35

While herein is shown the plug as being divided into four forked sections 8, which fit over the strips 4, it should be obvious that such a division of the plug is not necessary where a waste pipe is not provided with a head having 40 the strips 4 as illustrated herein. In waste pipes not provided with strainer strips 4 the detergent plug would rest upon the head 2 and it would not be necessary to subdivide the plug into four parts 8. 45

The underside of the head 6 of the plug is provided with suitable means ID to space the plug from the member 4 in order that those passages 9 which would register with the said member 4 will not be blocked thereby.

The plug may be provided with arcuate passages 9 as shown in Fig. 1, or with passages 1a extending longitudinally throughout the length thereof, as shown in Fig. 6, or any other suitable arrangement of passages may be provided.

The foregoing disclosure is to be regarded as descriptive. and illustrative only, and not as restrictive or limitative of the'invention, of which obviously an embodiment may be constructed in- 5 cluding many modifications, without departing from the general scope herein indicated and denoted in the appended claims. 7

Having thus described my invention, what I claim as new and desire to secure by Letters 10 Patent, is: I 1. A device tor preventing accumulation of waste material in waste pipes, comprising a cartridge formed from a water soluble compost tion of soda and lime capable of dissolving greasy l5 matter, said cartridge having a head of greater width than the main body of the cartridge, said head having a plurality of passages therein, the

main body of the cartridge being divided longitudinally into a plurality of parts and'having of the cartridge, said head having a plurality of passagesitherein, said main body of the cartridge being divided longitudinally into a plurality of parts and having a plurality of passages therein communicating with the passages in the head, said head having the periphery thereof provided with a plurality of spaced recesses, and said head having a plurality of passages therein extending to and opening on the outer surface of the main body of the cartridge.

WILLIAM J. CHESNUT. 

